* {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    text-decoration: none;
}

body {
    font: "微软雅黑" 14px;
}

.w {
    width: 1200px;
    margin: 0 auto;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clear {
    clear: both;
}

.center {
    margin: 0 auto;
}

.nav {
    height: 65px;
    position: relative;
    background: #4caf50;
}

.logo {
    width: 300px;
}

.logo a {
    font-size: 34px;
    color: #fff;
    line-height: 56px;
    font-weight: bolder;
}

.logo img {
    height: 56px;
    vertical-align: middle;
    transition: all 1s;
}

.logo:hover img {
    transform: rotate(360deg);
}

.nav li {
    float: left;
    margin-left: 50px;
    line-height: 50px;
}

.nav li a {
    color: #fff;
    font-size: 16px;
    line-height: 65px;
}

.nav li a:hover {
    color: #000;
    font-weight: bolder;
}


.wrapper {
    width: 100%;
    background: #4caf50;
    overflow: hidden;
}

.banner {
    position: relative;
    height: 400px;
}

.banner img {
    margin-top: 45px;
    width: 800px;
}

.wbtxt {
    width: 365px;
    position: absolute;
    right: 20px;
    top: 50px;
    color: #fff;
}

.wbtxt h1 {
    padding: 30px;
}

.wbtxt p {
    padding: 5px 30px;
    text-indent: 2em;
}

.line1 {
    width: 100%;
    background: #fff;
    padding: 50px 0;
}

.title {
    color: #2c3e50;
    text-align: center;
    padding: 30px;
    border-bottom: 3px solid #4caf50;
    margin-bottom: 30px;
}

.norp {
    padding: 5px 30px;
    text-indent: 2em;
    line-height: 30px;
}

.imgcenter {
    display: block;
    margin: 30px auto;
}

.imgbox img {
    width: 280px;
    padding: 10px;
    display: block;
    float: left;
    height: 200px;
    transition: all 1s;
}

.imgbox:hover img {
    transform: scale(0.9);
}

.imgbox,
.yuimgbox {
    margin-bottom: 50px;
    overflow: hidden;
}

.footer {
    width: 100%;
    background: #4caf50;
    height: 100px;
    color: #fff;
    line-height: 100px;
    text-align: center;
}

.imgleft {
    display: block;
    margin-right: 30px;
}

.imgright {
    display: block;
    margin-left: 30px;
}

.gaiul li {
    padding: 5px 30px;
    line-height: 30px;
}

.stle {
    color: #2c3e50;
    padding: 20px 0;
}

.yuimgbox img {
    width: 380px;
    padding: 10px;
    display: block;
    float: left;
}


.wei {
    width: 1000px;
    margin: 40px auto 0;
    border: 3px solid #1abc9c;
}

.wei video {
    width: 1000px;
    vertical-align: bottom;
}